From 6 to 9 September 2023, the XXXI. European Agricultural Law Congress of C.E.D.R. took place in Cardiff. The overarching theme of the Congress was "Agricultural law in times of crises: policies and production impacts". The scientific work was developed in three separate commissions. The colloquium was dedicated with Public Money for Public Goods to new concepts in the agricultural policies of the EU and the United Kingdom. This volume contains the general reports prepared by the three commissions during the congress and their conclusions, an account of the colloquium and a synthesis report. With contributions by Dr. Franci Avsec | Dr. Christian Busse | Prof. Michael Cardwell | Alex Carson-Taylor | Dr. Alicia Epstein, LL.M. | Prof. Dr. Rudy Gotzen | Prof. Dr. Rudolf Mögele | Prof. Dr. Roland Norer | Dr. Ludivine Petetin | Prof. mr. Jeroen Rheinfeld | Prof. UAM dr hab. Aneta Suchoń | Catherine Taskis, KC | Geoff Whittaker